* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}

html,
body {
    /* min-height: 100%; */
    height: 100vh;
}

html {
    font-size: 39px;
}

body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    background-color: #000;
    font-size: .32rem;
}

.container-bg {
    background-color: #000;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.container-bg .upcoming-bg {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    -webkit-filter: blur(.8rem);
    filter: blur(.8rem);
}

.live-box {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.adapting-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56%;
    /* 高度应该是宽度的56% */
}

/* 设定iframe的宽度和高度，让iframe占满整个父元素容器 */
.adapting-video iframe {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}